Chess South Africa Ratings Database

PLAYER PAGE

Personal

Letseka, O (Onalerona)

Chess SA id

1120308784

FIDE id

Date of birth

2012-07-30 (U14)

Gender

Male

Region

Tshwane (GTP)

Citizen

RSA

Titles

Chess SA registered

Last active game

2025-08-16

Personal details last changed

1900-01-01

Junior GPX Games

Junior GPX Points

Item	Main	Standard	Rapid	Blitz
Rating	1203.6	1205.5	1200	1200
Raw rating	1203.6	1205.5	1200	1200
Weighted rating	1167.5	1161	1200	1200
Weighted performance	0	0	0	0
Floor	703.6	705.5	700	700
K-factor	36	36	36	36
Min/Max rating change allowed	165	164.5	165.8	165.8
Highest rating	1203.6 2025-09-01	1205.5 2025-09-01	1200 2024-08-01	1200 2024-08-01
Highest raw rating	1203.6 2025-09-01	1205.5 2025-09-01	1200 2024-08-01	1200 2024-08-01
Highest weighted rating	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01	1200 2024-08-01
Highest weighted performance	1200 2024-12-01	1200 2024-12-01	1200 2024-08-01	1200 2024-08-01

Prediction
Item	Main	Standard	Rapid	Blitz
Rating change	0	0	0	0
New rating	1203.6	1205.5	1200	1200
Analysis
Rating	1203.6	1205.5	1200	1200
Raw rating	1203.6	1205.5	1200	1200
Weighted rating	1167.5	1161	1200
Weighted performance	0	0	0
K-factor	36	36	36	36
Floor	703.6	705.5	700	700
Max/Min rating change allowed	165	164.5	165.8	165.8
Games	0	0	0	0
Score	0	0	0	0
Expected score	0	0	0	0
Score-Expected	0	0	0	0
Temp raw +/-	0	0	0	0
Final raw +/-	0	0	0	0
New raw rating	1203.6	1205.5	1200	1200
New weighted rating	1170	1164	1200	1200
New weighted performance	0	0	0	0
Temp new rating	1203.6	1205.5	1200	1200
Temp new rating +/-	0	0	0	0
Final new rating +/-	0	0	0	0
New rating	1203.6	1205.5	1200	1200
New K-factor	36	36	36	36
New floor	703.6	705.5	700	700

Item	Main	Standard
	0	0
	9	9
	5	5
	0	0
	0	0
	0	0
History	14	14

Games since
	Main 14	Standard 14		Rapid 0		Blitz 0
Gender	Male
Age group	U14
Region	Tshwane (GTP)
Province	Gauteng (GT)
Main
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Standard
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Rapid
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1
Blitz
	RSA		Province		Region
Overall	-1		-1		-1
Male	-1		-1		-1
U14	-1		-1		-1
U14 Male	-1		-1		-1


	Games	Score	%	Dp	AvgOpp	Performance
Main	0	0	0	0	0	0
Standard	0	0	0	0	0	0
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

	Games	Score	%	Dp	AvgOpp	Performance
Main	9	5	55.56	47.2	1199	1246.2
Standard	9	5	55.56	47.2	1199	1246.2
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0
History
	Games	Score	%	Dp	AvgOpp	Performance
Main	14	5	35.71	-121.4	1199	1077.6
Standard	14	5	35.71	-121.4	1199	1077.6
Rapid	0	0	0	0	0	0
Blitz	0	0	0	0	0	0

Date	Main	Standard	Rapid	Blitz
2025-09-30	1203.6	1205.5	1200	1200
2025-09-01	1203.6	1205.5	1200	1200
2025-08-01	1164	1156.6	1200	1200
2025-07-01	1164	1156.6	1200	1200
2025-06-01	1164	1156.6	1200	1200
2025-05-01	1167.3	1160.4	1200	1200
2025-04-01	1167.3	1160.4	1200	1200
2025-03-01	1167.3	1160.4	1200	1200
2025-02-01	1164.9	1157.5	1200	1200
2025-01-01	1118.3	1101.2	1200	1200
2024-12-01	1118.3	1101.2	1200	1200
2024-11-01	1118.3	1101.2	1200	1200
2024-10-01	1118.3	1101.2	1200	1200
2024-09-01	1118.3	1101.2	1200	1200
2024-08-01	1200	1200	1200	1200
2024-07-01	1200	1200	1200	1200
2024-06-01	1200	1200	1200	1200
2024-08-01	1200	1200	1200	1200
2024-04-01	1200	1200	1200	1200
2024-03-01	1200	1200	1200	1200
2024-02-01	1200	1200	1200	1200
2024-01-01	1200	1200	1200	1200
2023-12-01	1200	1200	1200	1200
2023-11-01	1200	1200	1200	1200

Comming soon.

Tournaments

History

No tournaments found.

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
2	2025 Tshwane North School District CLOSED Individual Chess Championship (U13 Open)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis

Last 500 tournaments since 01 January 2018

#	Tournament	Start	End	Type	Host	Rounds	Games	Score	Cfr	Analysis
1	2025 Tshwane North District CLOSED Team Championships (D3) (U13 Open)	2025-08-16	2025-08-16	Standard	Tshwane (GTP)	5	4	3	Yes	Analysis
2	2025 Tshwane North School District CLOSED Individual Chess Championship (U13 Open)	2025-05-24	2025-05-24	Standard	Tshwane (GTP)	5	5	2	Yes	Analysis
3	2024 Tshwane North School District Team League Finals (U13)	2024-08-03	2024-08-03	Standard	Tshwane (GTP)	5	5	0	Yes	Analysis

#	Games	Start				End
1	5	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Manamela, L (Lopang)				Opponent Sibanyoni, N (Ntozonke)

#	Games	Start				End
1	5	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Manamela, L (Lopang)				Opponent Sibanyoni, N (Ntozonke)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

#	Games	Start				End
1	5	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Manamela, L (Lopang)				Opponent Sibanyoni, N (Ntozonke)

#	Games	Start				End
1	5	Tournament 2025 Tshwane North School District CLOSED Individual Chess Championship				Tournament 2025 Tshwane North District CLOSED Team Championships (D3)
		date 2025-05-24	rnd 4	type Standard	result 1	date 2025-08-16	rnd 3	type Standard	result 1
		Opponent Manamela, L (Lopang)				Opponent Sibanyoni, N (Ntozonke)

No games found.

#	Games	Start				End

No games found.

#	Games	Start				End

Top 10 opponents most often played

#	Opponent	Main			Standard			Rapid			Blitz
		Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp	Gms	Score	Dp
		Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat	Gms	Aor	Prat
1	Makhanya ,L (Lethabo)	1	0	-425	1	0	-425	0	0	0	0	0	0
1	Makhanya ,L (Lethabo)	1	1200	775	1	1200	775	0	0	0	0	0	0
2	Balooi ,A (Atlegang)	1	1	425	1	1	425	0	0	0	0	0	0
2	Balooi ,A (Atlegang)	1	1223.9	1648.9	1	1230	1648.9	0	0	0	0	0	0
3	Maphiri ,M (Mukhethwa)	1	0	-425	1	0	-425	0	0	0	0	0	0
3	Maphiri ,M (Mukhethwa)	1	1229.3	804.3	1	1234.9	804.3	0	0	0	0	0	0
4	Phetlhe ,A (Aobakwe)	1	1	425	1	1	425	0	0	0	0	0	0
4	Phetlhe ,A (Aobakwe)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
5	Manamela ,L (Lopang)	1	1	425	1	1	425	0	0	0	0	0	0
5	Manamela ,L (Lopang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
6	Bekker ,D (Dian)	1	0	-425	1	0	-425	0	0	0	0	0	0
6	Bekker ,D (Dian)	1	1165.5	740.5	1	1158.4	740.5	0	0	0	0	0	0
7	Mlotshwa ,M (Mahlatse)	1	0	-425	1	0	-425	0	0	0	0	0	0
7	Mlotshwa ,M (Mahlatse)	1	1200	775	1	1200	775	0	0	0	0	0	0
8	Selebano ,T (Tshepiso)	1	0	-425	1	0	-425	0	0	0	0	0	0
8	Selebano ,T (Tshepiso)	1	1200	775	1	1200	775	0	0	0	0	0	0
9	Night ,L (Lebogang)	1	1	425	1	1	425	0	0	0	0	0	0
9	Night ,L (Lebogang)	1	1200	1625	1	1200	1625	0	0	0	0	0	0
10	Thobela ,O (Ofentse)	1	0	-425	1	0	-425	0	0	0	0	0	0
10	Thobela ,O (Ofentse)	1	1200	775	1	1200	775	0	0	0	0	0	0

Norms

No norms achieved.

#	Norm	Tournament	Start	End	Rounds	Games	Score	Details

Ratings

Tournaments

Grand Prix

Statistics

Notifications

PLAYER PAGE

Personal

Letseka, O (Onalerona)

Ratings

Game statistics

Rankings

Historical performance

Last 24 raw ratings

Rating graph

Tournaments

Top 3 Streaks

Top 10 opponents most often played

Norms